package mapper;

import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;
import pojo.User;

public interface UserMapper {
    // 根据用户名查询用户对象
    @Select("select * from t_user where username = #{username}")
    User selectByUsername(String username);


    // 添加新用户
    @Insert("insert into t_user values(null,#{username},#{password})")
    static int add(User user) {
        return 0;
    }
}
